US11092095B2 - Engine system - Google Patents

Engine system Download PDF

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Publication number
US11092095B2
US11092095B2 US16/889,560 US202016889560A US11092095B2 US 11092095 B2 US11092095 B2 US 11092095B2 US 202016889560 A US202016889560 A US 202016889560A US 11092095 B2 US11092095 B2 US 11092095B2
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United States
Prior art keywords
air
mass
fuel
coefficient
excess
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US16/889,560
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English (en)
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US20210003086A1 (en
Inventor
Gaku Ito
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Subaru Corp
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Subaru Corp
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Publication date
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Assigned to Subaru Corporation reassignment Subaru Corporation ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ITO, GAKU
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0052—Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0614—Actual fuel mass or fuel injection amount
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
US16/889,560 2019-07-03 2020-06-01 Engine system Active US11092095B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-124299 2019-07-03
JPJP2019-124299 2019-07-03
JP2019124299A JP7360261B2 (ja) 2019-07-03 2019-07-03 エンジンシステム

Publications (2)

Publication Number Publication Date
US20210003086A1 US20210003086A1 (en) 2021-01-07
US11092095B2 true US11092095B2 (en) 2021-08-17

Family

ID=74065657

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/889,560 Active US11092095B2 (en) 2019-07-03 2020-06-01 Engine system

Country Status (2)

Country Link
US (1) US11092095B2 (ja)
JP (1) JP7360261B2 (ja)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176227B1 (en) * 1999-02-16 2001-01-23 Mitsubishi Denki Kabushiki Kaisha Control system for cylinder injection type internal combustion engine with exhaust gas recirculation feedback control
US6223716B1 (en) * 1998-04-16 2001-05-01 Mitsubishi Denki Kabushiki Kaisha Fuel control system for cylinder injection type internal combustion engine
US6334424B1 (en) * 1999-03-05 2002-01-01 Toyota Jidosha Kabushiki Kaisha Control device and control method for vehicle
US20020062640A1 (en) * 2000-11-30 2002-05-30 Unisia Jecs Corporation Device and method for controlling air-fuel ratio of internal combustion engine
US20020134073A1 (en) * 2001-03-22 2002-09-26 Toshihiko Nishiyama Fuel injection controlling apparatus for engine
US20040230364A1 (en) * 2003-02-19 2004-11-18 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling internal combustion engine
JP2007332925A (ja) 2006-06-19 2007-12-27 Toyota Motor Corp 内燃機関から排出される排ガスを浄化する触媒への空気導入
US20130081600A1 (en) * 2010-06-04 2013-04-04 Hitachi Automotive Systems, Ltd. Purging Device for Fuel Vapors During Idling Stop of Internal Combustion Engine
US20140311124A1 (en) * 2012-01-04 2014-10-23 Kenichi Tsujimoto Exhaust gas heating method
US20170314500A1 (en) * 2014-11-06 2017-11-02 Hitachi Automotive Systems, Ltd. Engine Control Device
US10590874B2 (en) * 2017-11-06 2020-03-17 Ford Global Technologies, Llc Systems and methods for conducting onboard engine cleaning routines in a vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3259536B2 (ja) * 1994-08-22 2002-02-25 トヨタ自動車株式会社 内燃機関の燃料噴射量制御装置
JP2004011625A (ja) * 2002-06-12 2004-01-15 Nissan Motor Co Ltd 内燃機関の空燃比制御装置
JP2007120455A (ja) * 2005-10-31 2007-05-17 Toyota Motor Corp 内燃機関の排気浄化システム
JP2017002748A (ja) * 2015-06-05 2017-01-05 株式会社日本自動車部品総合研究所 内燃機関装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223716B1 (en) * 1998-04-16 2001-05-01 Mitsubishi Denki Kabushiki Kaisha Fuel control system for cylinder injection type internal combustion engine
US6176227B1 (en) * 1999-02-16 2001-01-23 Mitsubishi Denki Kabushiki Kaisha Control system for cylinder injection type internal combustion engine with exhaust gas recirculation feedback control
US6334424B1 (en) * 1999-03-05 2002-01-01 Toyota Jidosha Kabushiki Kaisha Control device and control method for vehicle
US20020062640A1 (en) * 2000-11-30 2002-05-30 Unisia Jecs Corporation Device and method for controlling air-fuel ratio of internal combustion engine
US20020134073A1 (en) * 2001-03-22 2002-09-26 Toshihiko Nishiyama Fuel injection controlling apparatus for engine
US20040230364A1 (en) * 2003-02-19 2004-11-18 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling internal combustion engine
JP2007332925A (ja) 2006-06-19 2007-12-27 Toyota Motor Corp 内燃機関から排出される排ガスを浄化する触媒への空気導入
US20130081600A1 (en) * 2010-06-04 2013-04-04 Hitachi Automotive Systems, Ltd. Purging Device for Fuel Vapors During Idling Stop of Internal Combustion Engine
US20140311124A1 (en) * 2012-01-04 2014-10-23 Kenichi Tsujimoto Exhaust gas heating method
US20170314500A1 (en) * 2014-11-06 2017-11-02 Hitachi Automotive Systems, Ltd. Engine Control Device
US10590874B2 (en) * 2017-11-06 2020-03-17 Ford Global Technologies, Llc Systems and methods for conducting onboard engine cleaning routines in a vehicle

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Publication number Publication date
JP7360261B2 (ja) 2023-10-12
JP2021008876A (ja) 2021-01-28
US20210003086A1 (en) 2021-01-07

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